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/*
* Copyright (C) 2015 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.example.android.rs.vr.engine;
/**
* The interface to the vr rendering pipeline
* This defines the various rendering stages that the system goes through
*/
public interface Pipeline {
/**
* cancel the current execution
*/
public void cancel();
/**
* @return true if the rendering was canceled the output is not valid if true
*/
public boolean isCancel();
/**
* The pipline uses this stage to setup buffers it needs
* @param state
*/
public void initBuffers(VrState state);
/**
* This stage does needed transformations on the triangles to screen space
* @param state
*/
public void setupTriangles(VrState state);
/**
* This stage converts triangles into buffers used in the raycast
* @param state
*/
public void rasterizeTriangles(VrState state);
/**
* This stage generates the final image
* @param state
*/
public void raycast(VrState state);
}
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